Sentra SE-R Spec V L4-2.5L (QR25DE) (2002)
Intake Manifold: Service and Repair
REMOVAL
WARNING: To avoid the danger of being scalded, never drain the coolant when the engine is hot.
1. Disconnect the negative battery terminal.
2. Release the fuel pressure. Refer to Powertrain Management; Fuel Delivery and Air Induction; Fuel Pressure Release.
3. Drain coolant when engine is cooled.
4. Disconnect the MAP sensor electrical connector.
5. Remove air cleaner case and air duct assembly.
6. Disconnect the following components at the intake side:
a. PCV hose
b. EVAP canister purge volume control solenoid
c. Electric throttle control actuator
d. Brake booster vacuum hose
7. Disconnect the fuel quick connector on the engine side.